Company History
In 2022
In 2022, China’s First Direct Square Forming Pipe Line with Fully-Automatic Adjustment
In 2021
In 2021, Automobile structure pipe production line exported to Japan completed commissioning
2020
In 2020, ZTZG signed the largest stainless steel ERW820 pipe production line in China.
2019
Main Member of German Dusseldorf Exhibition.
2018
In 2018, ZTZG obtained over 10 patents within a year, which shocked the industry.
In 2018, ZTZG designed and manufactured straight welded API pipe production line With OD 720mm for Russia’s Tempo-NTZ.
In 2018, Chinese first new direct square forming 500×500mm production line was signed in Tianjin by ZTZG.
2017
In 2017, Chinese first new direct square forming 500x500mm production line was signed in Tianjin by ZTZG.
2015
In 2015, China’ s first computer-controlled online roll position adjustment direct square production line (compatible with round tube and square tube) was successfully tested in Turkey.
In , China’ s first computer-controlled online roll position adjustment direct square production line (compatible with round tube and square tube) was successfully tested in Turkey.
2014
ln 2014 ZTZG was nominated as a standing council member of Chinese Confederation of Roll Forming Industry (CCRFD.
2012
Columbia 300X300X12mm Automatic Direct Square Forming Tube Production Line.
2011
From 2011 to 2013, 100 mu of land was purchased for the construction of new workshops, and the comprehensive processing workshop was completed and put into use.
2010
In 2010, passed ISO9001 Quality System Certification; Participated in the compilation of a number of industry standards, “XZTF” technology won the China Cold Roll Forming Steel Technology Innovation Award.
2009
In 2009, registered the license for import and export.
2008
In 2008, ZTZG became an example company of Chinese Credit Rating System.
2007
In 2007, ZTZG manufactured the 1500mm cold roll broad steel pipe mill for Wanhui Group, achieving China’ s first broad steel sheet pile equipment production line.
2006
In 2006, ZTZG manufactured the 200×200mm stainless steel pipe mill for Shanxi Steel Group, achieving China’ s first production line specialized for railway rail.
2005
In 2005, ZTZG manufactured the 426mm ERW pipe mill for SUIA Fastube, achieving China’ s first high grade API pipe production line.
2004
In 2004, ZTZG manufactured the 273mm ZTF（Zhongtai Flexible Forming）-1 pipe mill for Tianjin Zhongshun Factory, achieving China’ s first pipe mill with ZTF （Zhongtai Flexible Forming） technique.
2003
In 2003, ZTZG has successfully developed and manufactured China’ s first multi-functional pipe line for KISC SSM and was honored for the ‘Tube Mill Technological Innovation Price’ of the year.
2001
In 2001, ZTZG has successfully manufactured 150×150 tube mill for Heng Fa Co., achieving China’ s first direct square forming tube line.
2000
In 2000, established Shijiazhuang Zhongtai Tube Technology Development Co., LTD.
